KNSB FIDE
PK

Piet Kooiman

Rated since January 2023

1879 Classic

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
HOF VAN DEN, J. (JESSE) 1952
9647 SOS Competitie 2024/2025 2024-10 · Wednesday 11 September 2024
REMKES, M.N.J. (MAARTEN) 1929
9650 SOS Competitie 2024/2025 2025-01 · Monday 6 January 2025
BLOK, R.A. (RONALD) 1839
10472 Tata Steel Chess Tournament 2026 Dagvierkampen · Tuesday 20 January 2026
VERSTEGE, V. (VINCENT) 1827
8102 SOS Competitie 2023/2024 Mei 2024 · Friday 24 May 2024
BOMMEL, P.J. (PETER) 1820
7604 SOS Competitie 2023/2024 Oktober 2023 · Tuesday 3 October 2023
Worst losses
HILARIUS, S. (SANDER) 1763
6419 Tata Steel Chess Tournament 2023 Dagvierkampen · Monday 16 January 2023
FLIERMAN, E.R.P. (EDWIN) 1764
6419 Tata Steel Chess Tournament 2023 Dagvierkampen · Wednesday 18 January 2023
HASPELS, J.J.D. (JOHAN) 1799
11993 KNSB competitie 2025-2026 Klasse 4 ronde 2 · Saturday 4 October 2025
STEIJN VAN, L.C.J. (HANS) 1853
5713 SOS Competitie 2022/2023 Februari 2023 · Tuesday 7 February 2023
CORTENBACH, S. (STAN) 1875
8275 Tata Steel Chess Tournament 2024 Dagvierkampen · Wednesday 17 January 2024
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +2–0=1 +23.4
Tata Steel Chess Tournament 2025 Dagvierkampen Friday 17 January 2025 +1–1=1 -14.0
Tata Steel Chess Tournament 2024 Dagvierkampen Friday 12 January 2024 +1–1=1 +3.1
Tata Steel Chess Tournament 2023 Dagvierkampen Friday 13 January 2023 +0–2=1 -29.3
KNSB competitie 2025-2026 Klasse 4 ronde 2 Saturday 20 September 2025 +0–1=0 -14.8
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–0=1 +7.4
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–0=1 -1.8
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–0=1 +0.8
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 +2.7
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–0=1 -3.3
12e Best of the West Groep A, rondes 6 en 7 Saturday 28 September 2024 +0–1=1 -14.6
12e Best of the West Groep A, ronde 5 Saturday 28 September 2024 +0–0=1 -3.6
12e Best of the West Groep A, ronde 4 Saturday 28 September 2024 +0–0=1 -4.1
12e Best of the West Groep A, rondes 1 en 2 Saturday 28 September 2024 +1–1=0 -3.5
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–2=0 -25.7
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +0–1=1 -2.3
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +0–1=0 -12.1
SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +1–0=0 +12.5
SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +0–0=1 -3.4
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +3–0=0 +32.8
11e Best of the West Groep A, ronde 7 Saturday 23 September 2023 +1–0=0 +9.3
11e Best of the West Groep A, ronde 5 Saturday 23 September 2023 +0–0=1 +4.7
11e Best of the West Groep A, ronde 4 Saturday 23 September 2023 +0–0=1 -2.0
11e Best of the West Groep A, ronde 2 Saturday 23 September 2023 +1–0=0 +6.0
11e Best of the West Best of the West, Groep A, ronde 1 Saturday 23 September 2023 +0–0=1 -6.0
KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 Saturday 16 September 2023 +0–1=0 -2.2
KNSB competitie 2023-2024 Klasse 5 ronde 5 Saturday 16 September 2023 +0–1=0 -8.3
SOS Competitie 2023/2024 Mei 2024 Friday 1 September 2023 +1–0=0 +10.5
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +1–0=0 +8.8
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +0–1=0 -8.6
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +1–0=0 +12.8
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +0–1=0 -5.5
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +1–0=0 +13.7
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +1–0=0 +7.9
SOS Competitie 2022/2023 April 2023(HK) Monday 12 September 2022 +0–0=1 -3.2
SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +0–1=0 -9.3
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +0–1=0 -10.9

Rating History

Loading rating history...

Peak Ratings

Classic 1933 Nov. 1, 2024
Rapid 1879 March 1, 2026
Blitz 1879 March 1, 2026

Games

Wins 16
Losses 17
Draws 18
Win Rate 31%

Performance by Color

Color Wins Draws Losses Win Rate
White 9 9 4 41%
Black 7 9 13 24%

Recent Matches

Ercan, S. (Selman) (2107) Tuesday 3 February 2026 DRAW +7.4
WCM Zutphen van, A. (Amy) (1818) Wednesday 21 January 2026 WIN +11.4
Blok, R.A. (Ronald) (1839) Tuesday 20 January 2026 WIN +12.1
Houpst, C.H.J. (Christiaan) (1847) Monday 19 January 2026 DRAW -0.1
Tooren van, B.F. (Bart) (1797) Tuesday 13 January 2026 DRAW -1.8
Hamers, G.J. (Gerard) (1874) Tuesday 2 December 2025 DRAW +0.8
Dissel, H. (Henk) (1924) Tuesday 4 November 2025 DRAW +2.7
Geesing, J. (Joost) (1770) Monday 6 October 2025 DRAW -3.3
Haspels, J.J.D. (Johan) (1799) Saturday 4 October 2025 LOSS -14.8
Schoffelmeer, F. (Frans) (1932) Saturday 14 June 2025 LOSS -10.7
Groeneveld, J. (Henry) (1792) Saturday 31 May 2025 DRAW -3.9
Schepers, J. (Jan) (1912) Friday 23 May 2025 LOSS -12.3
Stok, J. (Joris) (1879) Tuesday 13 May 2025 LOSS -13.4
Beverdam, F. (Frank) (1812) Saturday 29 March 2025 DRAW -3.6
Roering, P.W.E. (Ed) (2146) Monday 17 March 2025 DRAW +7.2
Oosterlaken, E. (Ed) (2001) Tuesday 11 March 2025 LOSS -9.6
Buzink, C.M.L. (Maurice) (1794) Saturday 1 March 2025 DRAW -4.1
Bilt van der, W. (Wouter) (1939) Tuesday 4 February 2025 LOSS -12.1
Calverley, Jonathan Wednesday 22 January 2025 WIN
Breuers, F.P.M. (Frank) (1907) Tuesday 21 January 2025 DRAW -0.8